package com.qk.management.web.interceptor;

import cn.hutool.core.util.ObjectUtil;
import com.qk.common.util.CurrentUserContextHolders;
import com.qk.common.util.JwtUtil;
import io.jsonwebtoken.Claims;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

@Slf4j
@Component
public class LoginCheckInterceptor implements HandlerInterceptor {

    private static final String TOKEN_HEADER_NAME = "token";

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String token =  request.getHeader(TOKEN_HEADER_NAME);

        if (ObjectUtil.isEmpty( token)){
            log.info("token is empty");
            response.setStatus(HttpStatus.UNAUTHORIZED.value());
            return false;
        }

        try{
              Claims claims = JwtUtil.parseToken(token);
              log.info("-----token验证成功-----");
              String username = claims.get("username", String.class);
              log.info("-----用户信息是：{}-----", username);
              Integer id =  claims.get("id",Integer.class);
              log.info("-----用户id是：{}-----", id);
              CurrentUserContextHolders.set(id);
              return true;
        }catch (Exception e){
            log.error("-----token验证失败-----", e);
            response.setStatus(HttpStatus.UNAUTHORIZED.value());
            return false;
        }

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        CurrentUserContextHolders.remove();
    }


}
